#keyword
# def sum(**kwargs):
#     """
#     kwargs要放人的信息
#     你可以传
#     name
#     age
#     """
#     print(kwargs["name"])

# sum(name="张三",age=18)


# def sum(name,**kwargs,age):
#     print("name:",name)
#     print("age:",age)
#     print(kwargs)

# sum(name="张三",age=18,school="尚硅谷",address="北京市宏福科技园")